LTC1000-SF Datasheet_PDF文件下载_芯片资料查询

Current Transducer LTC 1000-SF

For the electronic measurement of currents : DC, AC, pulsed...,

with a galvanic isolation between the primary circuit (high power)

and the secondary circuit (electronic circuit).

I

PN

=

1000 A

Electrical data

I

PN

I

P

脦

P

R

M

Primary nominal r.m.s. current

Primary current, measuring range @ 24 V

Max overload not measurable

Measuring resistance

with 卤 15 V

with 卤 24 V

I

SN

K

N

V

C

I

C

V

d

V

e

@ 卤 1000 A

max

@ 卤 1200 A

max

@ 卤 1000 A

max

@ 卤 2000 A

max

1000

A

1)

0 .. 卤 2400

A

10 / 10

kA/ms

R

M min

R

M max

0

15

7

50

7

鈩?/div>

mA

V

mA

kV

Features

鈥?/div>

Closed loop (compensated) current

transducer using the Hall effect

鈥?/div>

Insulated plastic case recognized

according to UL 94-V0

鈥?/div>

Transducer delivered with feet

鈥?/div>

Railway equipment.

Secondary nominal r.m.s. current

Conversion ratio

Supply voltage (卤 5 %)

Current consumption

R.m.s. voltage for AC isolation test, 50 Hz, 1 mn

R.m.s. voltage for partial discharge extinction

200

1 : 5000

卤 15 .. 24

< 30

(@卤24V)

+

I

S

13.4

2)

1.5

3)

> 2.8

4)

Advantages

鈥?/div>

Excellent accuracy

Very good linearity

Low temperature drift

Optimized response time

Wide frequency bandwidth

No insertion losses

High immunity to external

interference

鈥?/div>

Current overload capability.

Accuracy - Dynamic performance data

X

G

Overall accuracy @

I

PN

,

T

A

= 25掳C

@

I

PN

,

T

A

= - 40掳C .. + 85掳C

Linearity

Offset current @

I

P

= 0,

T

A

= 25掳C

Thermal drift of

I

O

Response time @ 90 % of

I

PN

di/dt accurately followed

Frequency bandwidth (- 1 dB)

5)

蔚

L

< 卤 0.4

<卤1

< 0.1

Max

卤 0.5

卤1

<1

> 100

DC .. 100

%

mA

碌s

A/碌s

kHz

Applications

鈥?/div>

AC variable speed drives and servo

鈥?/div>

motor drives

Static converters for DC motor drives

Battery supplied applications

Uninterruptible Power Supplies

(UPS)

Switched Mode Power Supplies

(SMPS)

Power supplies for welding

applications.

I

O

I

OT

t

r

di/dt

f

- 40掳C .. + 85掳C

General data

T

A

T

S

R

S

m

Ambient operating temperature

Ambient storage temperature

Secondary coil resistance @

T

A

= 85掳C

Mass

Standards

1)

2)

3)

4)

5)

- 40 .. + 85

掳C

- 45 .. + 90

掳C

44

鈩?/div>

780

g

EN 50155 (01.12.20)

鈥?/div>

Notes :

With a di/dt of > 5 A/碌s

Between primary and secondary + shield

Between secondary and shield

Test carried out with a busbar

鈭?/div>

40 mm centred in the through-hole

With a di/dt of 100 A/碌s.

030528/0

LEM Components

w w w.lem.com

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